Search a number
-
+
55238497558030 = 259764388564393
BaseRepresentation
bin11001000111101001101110…
…00001100101111000001110
321020120202012212111122122001
430203310313001211320032
524220011420333324110
6313252114312142514
714430564315112633
oct1443646701457016
9236522185448561
1055238497558030
1116667573896a06
126241711097a3a
1324a8c77820037
14d8d7b3ca218a
1565bd3045e63a
hex323d37065e0e

55238497558030 has 32 divisors (see below), whose sum is σ = 100610568614304. Its totient is φ = 21833602430976.

The previous prime is 55238497558001. The next prime is 55238497558063. The reversal of 55238497558030 is 3085579483255.

55238497558030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×552384975580302 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43658487 + ... + 44905906.

It is an arithmetic number, because the mean of its divisors is an integer number (3144080269197).

Almost surely, 255238497558030 is an apocalyptic number.

55238497558030 is a deficient number, since it is larger than the sum of its proper divisors (45372071056274).

55238497558030 is a wasteful number, since it uses less digits than its factorization.

55238497558030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88565140.

The product of its (nonzero) digits is 181440000, while the sum is 64.

The spelling of 55238497558030 in words is "fifty-five trillion, two hundred thirty-eight billion, four hundred ninety-seven million, five hundred fifty-eight thousand, thirty".

Divisors: 1 2 5 10 97 194 485 643 970 1286 3215 6430 62371 124742 311855 623710 88564393 177128786 442821965 885643930 8590746121 17181492242 42953730605 56946904699 85907461210 113893809398 284734523495 569469046990 5523849755803 11047699511606 27619248779015 55238497558030